Move viewport unit resolution to style recalc time

Source/core/rendering/RenderBox.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 40 matching lines @@
 #include "core/rendering/RenderGeometryMap.h"
 #include "core/rendering/RenderGrid.h"
 #include "core/rendering/RenderInline.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderLayerCompositor.h"
 #include "core/rendering/RenderListMarker.h"
 #include "core/rendering/RenderRegion.h"
 #include "core/rendering/RenderTableCell.h"
 #include "core/rendering/RenderTheme.h"
 #include "core/rendering/RenderView.h"
+#include "platform/LengthFunctions.h"
 #include "platform/geometry/FloatQuad.h"
 #include "platform/geometry/TransformState.h"
 
 using namespace std;
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 // Used by flexible boxes when flexing this element and by table cells.
@@ skipping 651 matching lines @@
             result.move(box.width() + reflectionOffset(), 0);
             break;
     }
     return result;
 }
 
 int RenderBox::reflectionOffset() const
 {
     if (!style()->boxReflect())
         return 0;
-    RenderView* renderView = view();
     if (style()->boxReflect()->direction() == ReflectionLeft || style()->boxReflect()->direction() == ReflectionRight)
-        return valueForLength(style()->boxReflect()->offset(), borderBoxRect().width(), renderView);
-    return valueForLength(style()->boxReflect()->offset(), borderBoxRect().height(), renderView);
+        return valueForLength(style()->boxReflect()->offset(), borderBoxRect().width());
+    return valueForLength(style()->boxReflect()->offset(), borderBoxRect().height());
 }
 
 LayoutRect RenderBox::reflectedRect(const LayoutRect& r) const
 {
     if (!style()->boxReflect())
         return LayoutRect();
 
     LayoutRect box = borderBoxRect();
     LayoutRect result = r;
     switch (style()->boxReflect()->direction()) {
@@ skipping 563 matching lines @@
     // FIXME: Should eventually give the theme control over whether the box shadow should paint, since controls could have
     // custom shadows of their own.
     if (!boxShadowShouldBeAppliedToBackground(bleedAvoidance))
         paintBoxShadow(paintInfo, paintRect, style(), Normal);
 
     GraphicsContextStateSaver stateSaver(*paintInfo.context, false);
     if (bleedAvoidance == BackgroundBleedUseTransparencyLayer) {
         // To avoid the background color bleeding out behind the border, we'll render background and border
         // into a transparency layer, and then clip that in one go (which requires setting up the clip before
         // beginning the layer).
-        RoundedRect border = style()->getRoundedBorderFor(paintRect, view());
+        RoundedRect border = style()->getRoundedBorderFor(paintRect);
         stateSaver.save();
         paintInfo.context->clipRoundedRect(border);
         paintInfo.context->beginTransparencyLayer(1);
     }
 
     paintBackgroundWithBorderAndBoxShadow(paintInfo, paintRect, bleedAvoidance);
 
     if (bleedAvoidance == BackgroundBleedUseTransparencyLayer)
         paintInfo.context->endLayer();
 }
@@ skipping 465 matching lines @@
         clipRect.move(layer()->scrollableArea()->verticalScrollbarWidth(relevancy), 0);
     clipRect.contract(layer()->scrollableArea()->verticalScrollbarWidth(relevancy), layer()->scrollableArea()->horizontalScrollbarHeight(relevancy));
 
     return clipRect;
 }
 
 LayoutRect RenderBox::clipRect(const LayoutPoint& location, RenderRegion* region)
 {
     LayoutRect borderBoxRect = borderBoxRectInRegion(region);
     LayoutRect clipRect = LayoutRect(borderBoxRect.location() + location, borderBoxRect.size());
-    RenderView* renderView = view();
 
     if (!style()->clipLeft().isAuto()) {
-        LayoutUnit c = valueForLength(style()->clipLeft(), borderBoxRect.width(), renderView);
+        LayoutUnit c = valueForLength(style()->clipLeft(), borderBoxRect.width());
         clipRect.move(c, 0);
         clipRect.contract(c, 0);
     }
 
     // We don't use the region-specific border box's width and height since clip offsets are (stupidly) specified
     // from the left and top edges. Therefore it's better to avoid constraining to smaller widths and heights.
 
     if (!style()->clipRight().isAuto())
-        clipRect.contract(width() - valueForLength(style()->clipRight(), width(), renderView), 0);
+        clipRect.contract(width() - valueForLength(style()->clipRight(), width()), 0);
 
     if (!style()->clipTop().isAuto()) {
-        LayoutUnit c = valueForLength(style()->clipTop(), borderBoxRect.height(), renderView);
+        LayoutUnit c = valueForLength(style()->clipTop(), borderBoxRect.height());
         clipRect.move(0, c);
         clipRect.contract(0, c);
     }
 
     if (!style()->clipBottom().isAuto())
-        clipRect.contract(0, height() - valueForLength(style()->clipBottom(), height(), renderView));
+        clipRect.contract(0, height() - valueForLength(style()->clipBottom(), height()));
 
     return clipRect;
 }
 
 LayoutUnit RenderBox::shrinkLogicalWidthToAvoidFloats(LayoutUnit childMarginStart, LayoutUnit childMarginEnd, const RenderBlockFlow* cb, RenderRegion* region) const
 {
     RenderRegion* containingBlockRegion = 0;
     LayoutUnit logicalTopPosition = logicalTop();
     if (region) {
         LayoutUnit offsetFromLogicalTopOfRegion = region ? region->logicalTopForFlowThreadContent() - offsetFromLogicalTopOfFirstPage() : LayoutUnit();
@@ skipping 497 matching lines @@
 
     RenderStyle* styleToUse = style();
     Length logicalWidthLength = treatAsReplaced ? Length(computeReplacedLogicalWidth(), Fixed) : styleToUse->logicalWidth();
 
     RenderBlock* cb = containingBlock();
     LayoutUnit containerLogicalWidth = max<LayoutUnit>(0, containingBlockLogicalWidthForContentInRegion(region));
     bool hasPerpendicularContainingBlock = cb->isHorizontalWritingMode() != isHorizontalWritingMode();
 
     if (isInline() && !isInlineBlockOrInlineTable()) {
         // just calculate margins
-        RenderView* renderView = view();
-        computedValues.m_margins.m_start = minimumValueForLength(styleToUse->marginStart(), containerLogicalWidth, renderView);
-        computedValues.m_margins.m_end = minimumValueForLength(styleToUse->marginEnd(), containerLogicalWidth, renderView);
+        computedValues.m_margins.m_start = minimumValueForLength(styleToUse->marginStart(), containerLogicalWidth);
+        computedValues.m_margins.m_end = minimumValueForLength(styleToUse->marginEnd(), containerLogicalWidth);
         if (treatAsReplaced)
-            computedValues.m_extent = max<LayoutUnit>(floatValueForLength(logicalWidthLength, 0, 0) + borderAndPaddingLogicalWidth(), minPreferredLogicalWidth());
+            computedValues.m_extent = max<LayoutUnit>(floatValueForLength(logicalWidthLength, 0) + borderAndPaddingLogicalWidth(), minPreferredLogicalWidth());
         return;
     }
 
     // Width calculations
     if (treatAsReplaced)
         computedValues.m_extent = logicalWidthLength.value() + borderAndPaddingLogicalWidth();
     else {
         LayoutUnit containerWidthInInlineDirection = containerLogicalWidth;
         if (hasPerpendicularContainingBlock)
             containerWidthInInlineDirection = perpendicularContainingBlockLogicalHeight();
         LayoutUnit preferredWidth = computeLogicalWidthInRegionUsing(MainOrPreferredSize, styleToUse->logicalWidth(), containerWidthInInlineDirection, cb, region);
         computedValues.m_extent = constrainLogicalWidthInRegionByMinMax(preferredWidth, containerWidthInInlineDirection, cb, region);
     }
 
     // Margin calculations.
     if (hasPerpendicularContainingBlock || isFloating() || isInline()) {
-        RenderView* renderView = view();
-        computedValues.m_margins.m_start = minimumValueForLength(styleToUse->marginStart(), containerLogicalWidth, renderView);
-        computedValues.m_margins.m_end = minimumValueForLength(styleToUse->marginEnd(), containerLogicalWidth, renderView);
+        computedValues.m_margins.m_start = minimumValueForLength(styleToUse->marginStart(), containerLogicalWidth);
+        computedValues.m_margins.m_end = minimumValueForLength(styleToUse->marginEnd(), containerLogicalWidth);
     } else {
         LayoutUnit containerLogicalWidthForAutoMargins = containerLogicalWidth;
         if (avoidsFloats() && cb->containsFloats())
             containerLogicalWidthForAutoMargins = containingBlockAvailableLineWidthInRegion(region);
         bool hasInvertedDirection = cb->style()->isLeftToRightDirection() != style()->isLeftToRightDirection();
         computeInlineDirectionMargins(cb, containerLogicalWidthForAutoMargins, computedValues.m_extent,
             hasInvertedDirection ? computedValues.m_margins.m_end : computedValues.m_margins.m_start,
             hasInvertedDirection ? computedValues.m_margins.m_start : computedValues.m_margins.m_end);
     }
 
@@ skipping 23 matching lines @@
 
 LayoutUnit RenderBox::fillAvailableMeasure(LayoutUnit availableLogicalWidth) const
 {
     LayoutUnit marginStart = 0;
     LayoutUnit marginEnd = 0;
     return fillAvailableMeasure(availableLogicalWidth, marginStart, marginEnd);
 }
 
 LayoutUnit RenderBox::fillAvailableMeasure(LayoutUnit availableLogicalWidth, LayoutUnit& marginStart, LayoutUnit& marginEnd) const
 {
-    RenderView* renderView = view();
-    marginStart = minimumValueForLength(style()->marginStart(), availableLogicalWidth, renderView);
-    marginEnd = minimumValueForLength(style()->marginEnd(), availableLogicalWidth, renderView);
+    marginStart = minimumValueForLength(style()->marginStart(), availableLogicalWidth);
+    marginEnd = minimumValueForLength(style()->marginEnd(), availableLogicalWidth);
     return availableLogicalWidth - marginStart - marginEnd;
 }
 
 LayoutUnit RenderBox::computeIntrinsicLogicalWidthUsing(Length logicalWidthLength, LayoutUnit availableLogicalWidth, LayoutUnit borderAndPadding) const
 {
     if (logicalWidthLength.type() == FillAvailable)
         return fillAvailableMeasure(availableLogicalWidth);
 
     LayoutUnit minLogicalWidth = 0;
     LayoutUnit maxLogicalWidth = 0;
@@ skipping 13 matching lines @@
 
     ASSERT_NOT_REACHED();
     return 0;
 }
 
 LayoutUnit RenderBox::computeLogicalWidthInRegionUsing(SizeType widthType, Length logicalWidth, LayoutUnit availableLogicalWidth,
     const RenderBlock* cb, RenderRegion* region) const
 {
     if (!logicalWidth.isIntrinsicOrAuto()) {
         // FIXME: If the containing block flow is perpendicular to our direction we need to use the available logical height instead.
-        return adjustBorderBoxLogicalWidthForBoxSizing(valueForLength(logicalWidth, availableLogicalWidth, view()));
+        return adjustBorderBoxLogicalWidthForBoxSizing(valueForLength(logicalWidth, availableLogicalWidth));
     }
 
     if (logicalWidth.isIntrinsic())
         return computeIntrinsicLogicalWidthUsing(logicalWidth, availableLogicalWidth, borderAndPaddingLogicalWidth());
 
     LayoutUnit marginStart = 0;
     LayoutUnit marginEnd = 0;
     LayoutUnit logicalWidthResult = fillAvailableMeasure(availableLogicalWidth, marginStart, marginEnd);
 
     if (shrinkToAvoidFloats() && cb->containsFloats())
@@ skipping 89 matching lines @@
         return true;
 
     return false;
 }
 
 void RenderBox::computeInlineDirectionMargins(RenderBlock* containingBlock, LayoutUnit containerWidth, LayoutUnit childWidth, LayoutUnit& marginStart, LayoutUnit& marginEnd) const
 {
     const RenderStyle* containingBlockStyle = containingBlock->style();
     Length marginStartLength = style()->marginStartUsing(containingBlockStyle);
     Length marginEndLength = style()->marginEndUsing(containingBlockStyle);
-    RenderView* renderView = view();
 
     if (isFloating() || isInline()) {
         // Inline blocks/tables and floats don't have their margins increased.
-        marginStart = minimumValueForLength(marginStartLength, containerWidth, renderView);
-        marginEnd = minimumValueForLength(marginEndLength, containerWidth, renderView);
+        marginStart = minimumValueForLength(marginStartLength, containerWidth);
+        marginEnd = minimumValueForLength(marginEndLength, containerWidth);
         return;
     }
 
     if (containingBlock->isFlexibleBox()) {
         // We need to let flexbox handle the margin adjustment - otherwise, flexbox
         // will think we're wider than we actually are and calculate line sizes wrong.
         // See also http://dev.w3.org/csswg/css-flexbox/#auto-margins
         if (marginStartLength.isAuto())
             marginStartLength.setValue(0);
         if (marginEndLength.isAuto())
             marginEndLength.setValue(0);
     }
 
     // Case One: The object is being centered in the containing block's available logical width.
     if ((marginStartLength.isAuto() && marginEndLength.isAuto() && childWidth < containerWidth)
         || (!marginStartLength.isAuto() && !marginEndLength.isAuto() && containingBlock->style()->textAlign() == WEBKIT_CENTER)) {
         // Other browsers center the margin box for align=center elements so we match them here.
-        LayoutUnit marginStartWidth = minimumValueForLength(marginStartLength, containerWidth, renderView);
-        LayoutUnit marginEndWidth = minimumValueForLength(marginEndLength, containerWidth, renderView);
+        LayoutUnit marginStartWidth = minimumValueForLength(marginStartLength, containerWidth);
+        LayoutUnit marginEndWidth = minimumValueForLength(marginEndLength, containerWidth);
         LayoutUnit centeredMarginBoxStart = max<LayoutUnit>(0, (containerWidth - childWidth - marginStartWidth - marginEndWidth) / 2);
         marginStart = centeredMarginBoxStart + marginStartWidth;
         marginEnd = containerWidth - childWidth - marginStart + marginEndWidth;
         return;
     }
 
     // Case Two: The object is being pushed to the start of the containing block's available logical width.
     if (marginEndLength.isAuto() && childWidth < containerWidth) {
-        marginStart = valueForLength(marginStartLength, containerWidth, renderView);
+        marginStart = valueForLength(marginStartLength, containerWidth);
         marginEnd = containerWidth - childWidth - marginStart;
         return;
     }
 
     // Case Three: The object is being pushed to the end of the containing block's available logical width.
     bool pushToEndFromTextAlign = !marginEndLength.isAuto() && ((!containingBlockStyle->isLeftToRightDirection() && containingBlockStyle->textAlign() == WEBKIT_LEFT)
         || (containingBlockStyle->isLeftToRightDirection() && containingBlockStyle->textAlign() == WEBKIT_RIGHT));
     if ((marginStartLength.isAuto() && childWidth < containerWidth) || pushToEndFromTextAlign) {
-        marginEnd = valueForLength(marginEndLength, containerWidth, renderView);
+        marginEnd = valueForLength(marginEndLength, containerWidth);
         marginStart = containerWidth - childWidth - marginEnd;
         return;
     }
 
     // Case Four: Either no auto margins, or our width is >= the container width (css2.1, 10.3.3).  In that case
     // auto margins will just turn into 0.
-    marginStart = minimumValueForLength(marginStartLength, containerWidth, renderView);
-    marginEnd = minimumValueForLength(marginEndLength, containerWidth, renderView);
+    marginStart = minimumValueForLength(marginStartLength, containerWidth);
+    marginEnd = minimumValueForLength(marginEndLength, containerWidth);
 }
 
 RenderBoxRegionInfo* RenderBox::renderBoxRegionInfo(RenderRegion* region, RenderBoxRegionInfoFlags cacheFlag) const
 {
     // Make sure nobody is trying to call this with a null region.
     if (!region)
         return 0;
 
     // If we have computed our width in this region already, it will be cached, and we can
     // just return it.
@@ skipping 245 matching lines @@
     // If that happens, this code will have to change.
     if (height.isIntrinsic()) {
         if (intrinsicContentHeight == -1)
             return -1; // Intrinsic height isn't available.
         return computeIntrinsicLogicalContentHeightUsing(height, intrinsicContentHeight, borderAndPaddingLogicalHeight());
     }
     if (height.isFixed())
         return height.value();
     if (height.isPercent())
         return computePercentageLogicalHeight(height);
-    if (height.isViewportPercentage())
-        return valueForLength(height, 0, view());
     return -1;
 }
 
 bool RenderBox::skipContainingBlockForPercentHeightCalculation(const RenderBox* containingBlock) const
 {
     // For quirks mode and anonymous blocks, we skip auto-height containingBlocks when computing percentages.
     // For standards mode, we treat the percentage as auto if it has an auto-height containing block.
     if (!document().inQuirksMode() && !containingBlock->isAnonymousBlock())
         return false;
     return !containingBlock->isTableCell() && !containingBlock->isOutOfFlowPositioned() && containingBlock->style()->logicalHeight().isAuto() && isHorizontalWritingMode() == containingBlock->isHorizontalWritingMode();
@@ skipping 57 matching lines @@
         LayoutUnit heightWithScrollbar = cb->computePercentageLogicalHeight(cbstyle->logicalHeight());
         if (heightWithScrollbar != -1) {
             LayoutUnit contentBoxHeightWithScrollbar = cb->adjustContentBoxLogicalHeightForBoxSizing(heightWithScrollbar);
             // We need to adjust for min/max height because this method does not
             // handle the min/max of the current block, its caller does. So the
             // return value from the recursive call will not have been adjusted
             // yet.
             LayoutUnit contentBoxHeight = cb->constrainContentBoxLogicalHeightByMinMax(contentBoxHeightWithScrollbar - cb->scrollbarLogicalHeight(), -1);
             availableHeight = max<LayoutUnit>(0, contentBoxHeight);
         }
-    } else if (cbstyle->logicalHeight().isViewportPercentage()) {
-        LayoutUnit heightWithScrollbar = valueForLength(cbstyle->logicalHeight(), 0, view());
-        if (heightWithScrollbar != -1) {
-            LayoutUnit contentBoxHeightWithScrollbar = cb->adjustContentBoxLogicalHeightForBoxSizing(heightWithScrollbar);
-            // We need to adjust for min/max height because this method does not
-            // handle the min/max of the current block, its caller does. So the
-            // return value from the recursive call will not have been adjusted
-            // yet.
-            LayoutUnit contentBoxHeight = cb->constrainContentBoxLogicalHeightByMinMax(contentBoxHeightWithScrollbar - cb->scrollbarLogicalHeight(), -1);
-            availableHeight = max<LayoutUnit>(0, contentBoxHeight);
-        }
     } else if (isOutOfFlowPositionedWithSpecifiedHeight) {
         // Don't allow this to affect the block' height() member variable, since this
         // can get called while the block is still laying out its kids.
         LogicalExtentComputedValues computedValues;
         cb->computeLogicalHeight(cb->logicalHeight(), 0, computedValues);
         availableHeight = computedValues.m_extent - cb->borderAndPaddingLogicalHeight() - cb->scrollbarLogicalHeight();
     } else if (cb->isRenderView())
         availableHeight = viewLogicalHeightForPercentages();
 
     if (availableHeight == -1)
@@ skipping 29 matching lines @@
 {
     switch (logicalWidth.type()) {
         case Fixed:
             return adjustContentBoxLogicalWidthForBoxSizing(logicalWidth.value());
         case MinContent:
         case MaxContent: {
             // MinContent/MaxContent don't need the availableLogicalWidth argument.
             LayoutUnit availableLogicalWidth = 0;
             return computeIntrinsicLogicalWidthUsing(logicalWidth, availableLogicalWidth, borderAndPaddingLogicalWidth()) - borderAndPaddingLogicalWidth();
         }
-        case ViewportPercentageWidth:
-        case ViewportPercentageHeight:
-        case ViewportPercentageMin:
-        case ViewportPercentageMax:
-            return adjustContentBoxLogicalWidthForBoxSizing(valueForLength(logicalWidth, 0, view()));
         case FitContent:
         case FillAvailable:
         case Percent:
         case Calculated: {
             // FIXME: containingBlockLogicalWidthForContent() is wrong if the replaced element's block-flow is perpendicular to the
             // containing block's block-flow.
             // https://bugs.webkit.org/show_bug.cgi?id=46496
             const LayoutUnit cw = isOutOfFlowPositioned() ? containingBlockLogicalWidthForPositioned(toRenderBoxModelObject(container())) : containingBlockLogicalWidthForContent();
             Length containerLogicalWidth = containingBlock()->style()->logicalWidth();
             // FIXME: Handle cases when containing block width is calculated or viewport percent.
@@ skipping 73 matching lines @@
                         // <http://bugs.webkit.org/show_bug.cgi?id=15359>
                         availableHeight = max(availableHeight, intrinsicLogicalHeight());
                         return valueForLength(logicalHeight, availableHeight - borderAndPaddingLogicalHeight());
                     }
                     toRenderBlock(cb)->addPercentHeightDescendant(const_cast<RenderBox*>(this));
                     cb = cb->containingBlock();
                 }
             }
             return adjustContentBoxLogicalHeightForBoxSizing(valueForLength(logicalHeight, availableHeight));
         }
-        case ViewportPercentageWidth:
-        case ViewportPercentageHeight:
-        case ViewportPercentageMin:
-        case ViewportPercentageMax:
-            return adjustContentBoxLogicalHeightForBoxSizing(valueForLength(logicalHeight, 0, view()));
         case MinContent:
         case MaxContent:
         case FitContent:
         case FillAvailable:
             return adjustContentBoxLogicalHeightForBoxSizing(computeIntrinsicLogicalContentHeightUsing(logicalHeight, intrinsicLogicalHeight(), borderAndPaddingHeight()));
         default:
             return intrinsicLogicalHeight();
     }
 }
 
@@ skipping 51 matching lines @@
         // FIXME: Not right if we allow cells to have different directionality than the table.  If we do allow this, though,
         // we may just do it with an extra anonymous block inside the cell.
         marginBefore = 0;
         marginAfter = 0;
         return;
     }
 
     // Margins are calculated with respect to the logical width of
     // the containing block (8.3)
     LayoutUnit cw = containingBlockLogicalWidthForContent();
-    RenderView* renderView = view();
     RenderStyle* containingBlockStyle = containingBlock->style();
-    marginBefore = minimumValueForLength(style()->marginBeforeUsing(containingBlockStyle), cw, renderView);
-    marginAfter = minimumValueForLength(style()->marginAfterUsing(containingBlockStyle), cw, renderView);
+    marginBefore = minimumValueForLength(style()->marginBeforeUsing(containingBlockStyle), cw);
+    marginAfter = minimumValueForLength(style()->marginAfterUsing(containingBlockStyle), cw);
 }
 
 void RenderBox::computeAndSetBlockDirectionMargins(const RenderBlock* containingBlock)
 {
     LayoutUnit marginBefore;
     LayoutUnit marginAfter;
     computeBlockDirectionMargins(containingBlock, marginBefore, marginAfter);
     containingBlock->setMarginBeforeForChild(this, marginBefore);
     containingBlock->setMarginAfterForChild(this, marginAfter);
 }
@@ skipping 337 matching lines @@
     // converted to the static position already
     ASSERT(!(logicalLeft.isAuto() && logicalRight.isAuto()));
 
     LayoutUnit logicalLeftValue = 0;
 
     const LayoutUnit containerRelativeLogicalWidth = containingBlockLogicalWidthForPositioned(containerBlock, 0, false);
 
     bool logicalWidthIsAuto = logicalWidth.isIntrinsicOrAuto();
     bool logicalLeftIsAuto = logicalLeft.isAuto();
     bool logicalRightIsAuto = logicalRight.isAuto();
-    RenderView* renderView = view();
     LayoutUnit& marginLogicalLeftValue = style()->isLeftToRightDirection() ? computedValues.m_margins.m_start : computedValues.m_margins.m_end;
     LayoutUnit& marginLogicalRightValue = style()->isLeftToRightDirection() ? computedValues.m_margins.m_end : computedValues.m_margins.m_start;
     if (!logicalLeftIsAuto && !logicalWidthIsAuto && !logicalRightIsAuto) {
         /*-----------------------------------------------------------------------*\
          * If none of the three is 'auto': If both 'margin-left' and 'margin-
          * right' are 'auto', solve the equation under the extra constraint that
          * the two margins get equal values, unless this would make them negative,
          * in which case when direction of the containing block is 'ltr' ('rtl'),
          * set 'margin-left' ('margin-right') to zero and solve for 'margin-right'
          * ('margin-left'). If one of 'margin-left' or 'margin-right' is 'auto',
          * solve the equation for that value. If the values are over-constrained,
          * ignore the value for 'left' (in case the 'direction' property of the
          * containing block is 'rtl') or 'right' (in case 'direction' is 'ltr')
          * and solve for that value.
         \*-----------------------------------------------------------------------*/
         // NOTE:  It is not necessary to solve for 'right' in the over constrained
         // case because the value is not used for any further calculations.
 
-        logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth, renderView);
-        computedValues.m_extent = adjustContentBoxLogicalWidthForBoxSizing(valueForLength(logicalWidth, containerLogicalWidth, renderView));
+        logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth);
+        computedValues.m_extent = adjustContentBoxLogicalWidthForBoxSizing(valueForLength(logicalWidth, containerLogicalWidth));
 
-        const LayoutUnit availableSpace = containerLogicalWidth - (logicalLeftValue + computedValues.m_extent + valueForLength(logicalRight, containerLogicalWidth, renderView) + bordersPlusPadding);
+        const LayoutUnit availableSpace = containerLogicalWidth - (logicalLeftValue + computedValues.m_extent + valueForLength(logicalRight, containerLogicalWidth) + bordersPlusPadding);
 
         // Margins are now the only unknown
         if (marginLogicalLeft.isAuto() && marginLogicalRight.isAuto()) {
             // Both margins auto, solve for equality
             if (availableSpace >= 0) {
                 marginLogicalLeftValue = availableSpace / 2; // split the difference
                 marginLogicalRightValue = availableSpace - marginLogicalLeftValue; // account for odd valued differences
             } else {
                 // Use the containing block's direction rather than the parent block's
                 // per CSS 2.1 reference test abspos-non-replaced-width-margin-000.
                 if (containerDirection == LTR) {
                     marginLogicalLeftValue = 0;
                     marginLogicalRightValue = availableSpace; // will be negative
                 } else {
                     marginLogicalLeftValue = availableSpace; // will be negative
                     marginLogicalRightValue = 0;
                 }
             }
         } else if (marginLogicalLeft.isAuto()) {
             // Solve for left margin
-            marginLogicalRightValue = valueForLength(marginLogicalRight, containerRelativeLogicalWidth, renderView);
+            marginLogicalRightValue = valueForLength(marginLogicalRight, containerRelativeLogicalWidth);
             marginLogicalLeftValue = availableSpace - marginLogicalRightValue;
         } else if (marginLogicalRight.isAuto()) {
             // Solve for right margin
-            marginLogicalLeftValue = valueForLength(marginLogicalLeft, containerRelativeLogicalWidth, renderView);
+            marginLogicalLeftValue = valueForLength(marginLogicalLeft, containerRelativeLogicalWidth);
             marginLogicalRightValue = availableSpace - marginLogicalLeftValue;
         } else {
             // Over-constrained, solve for left if direction is RTL
-            marginLogicalLeftValue = valueForLength(marginLogicalLeft, containerRelativeLogicalWidth, renderView);
-            marginLogicalRightValue = valueForLength(marginLogicalRight, containerRelativeLogicalWidth, renderView);
+            marginLogicalLeftValue = valueForLength(marginLogicalLeft, containerRelativeLogicalWidth);
+            marginLogicalRightValue = valueForLength(marginLogicalRight, containerRelativeLogicalWidth);
 
             // Use the containing block's direction rather than the parent block's
             // per CSS 2.1 reference test abspos-non-replaced-width-margin-000.
             if (containerDirection == RTL)
                 logicalLeftValue = (availableSpace + logicalLeftValue) - marginLogicalLeftValue - marginLogicalRightValue;
         }
     } else {
         /*--------------------------------------------------------------------*\
          * Otherwise, set 'auto' values for 'margin-left' and 'margin-right'
          * to 0, and pick the one of the following six rules that applies.
@@ skipping 29 matching lines @@
          * for 'width' after setting 'left' (in case 1) or 'right' (in case 3)
          * to 0.
          *
          * Then the shrink-to-fit width is:
          * min(max(preferred minimum width, available width), preferred width).
         \*--------------------------------------------------------------------*/
         // NOTE: For rules 3 and 6 it is not necessary to solve for 'right'
         // because the value is not used for any further calculations.
 
         // Calculate margins, 'auto' margins are ignored.
-        marginLogicalLeftValue = minimumValueForLength(marginLogicalLeft, containerRelativeLogicalWidth, renderView);
-        marginLogicalRightValue = minimumValueForLength(marginLogicalRight, containerRelativeLogicalWidth, renderView);
+        marginLogicalLeftValue = minimumValueForLength(marginLogicalLeft, containerRelativeLogicalWidth);
+        marginLogicalRightValue = minimumValueForLength(marginLogicalRight, containerRelativeLogicalWidth);
 
         const LayoutUnit availableSpace = containerLogicalWidth - (marginLogicalLeftValue + marginLogicalRightValue + bordersPlusPadding);
 
         // FIXME: Is there a faster way to find the correct case?
         // Use rule/case that applies.
         if (logicalLeftIsAuto && logicalWidthIsAuto && !logicalRightIsAuto) {
             // RULE 1: (use shrink-to-fit for width, and solve of left)
-            LayoutUnit logicalRightValue = valueForLength(logicalRight, containerLogicalWidth, renderView);
+            LayoutUnit logicalRightValue = valueForLength(logicalRight, containerLogicalWidth);
 
             // FIXME: would it be better to have shrink-to-fit in one step?
             LayoutUnit preferredWidth = maxPreferredLogicalWidth() - bordersPlusPadding;
             LayoutUnit preferredMinWidth = minPreferredLogicalWidth() - bordersPlusPadding;
             LayoutUnit availableWidth = availableSpace - logicalRightValue;
             computedValues.m_extent = min(max(preferredMinWidth, availableWidth), preferredWidth);
             logicalLeftValue = availableSpace - (computedValues.m_extent + logicalRightValue);
         } else if (!logicalLeftIsAuto && logicalWidthIsAuto && logicalRightIsAuto) {
             // RULE 3: (use shrink-to-fit for width, and no need solve of right)
-            logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth, renderView);
+            logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth);
 
             shrinkToFitWidth(availableSpace, logicalLeftValue, bordersPlusPadding, computedValues);
         } else if (logicalLeftIsAuto && !logicalWidthIsAuto && !logicalRightIsAuto) {
             // RULE 4: (solve for left)
-            computedValues.m_extent = adjustContentBoxLogicalWidthForBoxSizing(valueForLength(logicalWidth, containerLogicalWidth, renderView));
-            logicalLeftValue = availableSpace - (computedValues.m_extent + valueForLength(logicalRight, containerLogicalWidth, renderView));
+            computedValues.m_extent = adjustContentBoxLogicalWidthForBoxSizing(valueForLength(logicalWidth, containerLogicalWidth));
+            logicalLeftValue = availableSpace - (computedValues.m_extent + valueForLength(logicalRight, containerLogicalWidth));
         } else if (!logicalLeftIsAuto && logicalWidthIsAuto && !logicalRightIsAuto) {
             // RULE 5: (solve for width)
-            logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth, renderView);
+            logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth);
             if (autoWidthShouldFitContent())
                 shrinkToFitWidth(availableSpace, logicalLeftValue, bordersPlusPadding, computedValues);
             else
-                computedValues.m_extent = availableSpace - (logicalLeftValue + valueForLength(logicalRight, containerLogicalWidth, renderView));
+                computedValues.m_extent = availableSpace - (logicalLeftValue + valueForLength(logicalRight, containerLogicalWidth));
         } else if (!logicalLeftIsAuto && !logicalWidthIsAuto && logicalRightIsAuto) {
             // RULE 6: (no need solve for right)
-            logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth, renderView);
-            computedValues.m_extent = adjustContentBoxLogicalWidthForBoxSizing(valueForLength(logicalWidth, containerLogicalWidth, renderView));
+            logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth);
+            computedValues.m_extent = adjustContentBoxLogicalWidthForBoxSizing(valueForLength(logicalWidth, containerLogicalWidth));
         }
     }
 
     // Use computed values to calculate the horizontal position.
 
     // FIXME: This hack is needed to calculate the  logical left position for a 'rtl' relatively
     // positioned, inline because right now, it is using the logical left position
     // of the first line box when really it should use the last line box.  When
     // this is fixed elsewhere, this block should be removed.
     if (containerBlock->isRenderInline() && !containerBlock->style()->isLeftToRightDirection()) {
@@ skipping 173 matching lines @@
     LayoutUnit logicalHeightValue;
     LayoutUnit contentLogicalHeight = logicalHeight - bordersPlusPadding;
 
     const LayoutUnit containerRelativeLogicalWidth = containingBlockLogicalWidthForPositioned(containerBlock, 0, false);
 
     LayoutUnit logicalTopValue = 0;
 
     bool logicalHeightIsAuto = logicalHeightLength.isAuto();
     bool logicalTopIsAuto = logicalTop.isAuto();
     bool logicalBottomIsAuto = logicalBottom.isAuto();
-    RenderView* renderView = view();
 
     LayoutUnit resolvedLogicalHeight;
     // Height is never unsolved for tables.
     if (isTable()) {
         resolvedLogicalHeight = contentLogicalHeight;
         logicalHeightIsAuto = false;
     } else {
         if (logicalHeightLength.isIntrinsic())
             resolvedLogicalHeight = computeIntrinsicLogicalContentHeightUsing(logicalHeightLength, contentLogicalHeight, bordersPlusPadding);
         else
-            resolvedLogicalHeight = adjustContentBoxLogicalHeightForBoxSizing(valueForLength(logicalHeightLength, containerLogicalHeight, renderView));
+            resolvedLogicalHeight = adjustContentBoxLogicalHeightForBoxSizing(valueForLength(logicalHeightLength, containerLogicalHeight));
     }
 
     if (!logicalTopIsAuto && !logicalHeightIsAuto && !logicalBottomIsAuto) {
         /*-----------------------------------------------------------------------*\
          * If none of the three are 'auto': If both 'margin-top' and 'margin-
          * bottom' are 'auto', solve the equation under the extra constraint that
          * the two margins get equal values. If one of 'margin-top' or 'margin-
          * bottom' is 'auto', solve the equation for that value. If the values
          * are over-constrained, ignore the value for 'bottom' and solve for that
          * value.
         \*-----------------------------------------------------------------------*/
         // NOTE:  It is not necessary to solve for 'bottom' in the over constrained
         // case because the value is not used for any further calculations.
 
         logicalHeightValue = resolvedLogicalHeight;
-        logicalTopValue = valueForLength(logicalTop, containerLogicalHeight, renderView);
+        logicalTopValue = valueForLength(logicalTop, containerLogicalHeight);
 
-        const LayoutUnit availableSpace = containerLogicalHeight - (logicalTopValue + logicalHeightValue + valueForLength(logicalBottom, containerLogicalHeight, renderView) + bordersPlusPadding);
+        const LayoutUnit availableSpace = containerLogicalHeight - (logicalTopValue + logicalHeightValue + valueForLength(logicalBottom, containerLogicalHeight) + bordersPlusPadding);
 
         // Margins are now the only unknown
         if (marginBefore.isAuto() && marginAfter.isAuto()) {
             // Both margins auto, solve for equality
             // NOTE: This may result in negative values.
             computedValues.m_margins.m_before = availableSpace / 2; // split the difference
             computedValues.m_margins.m_after = availableSpace - computedValues.m_margins.m_before; // account for odd valued differences
         } else if (marginBefore.isAuto()) {
             // Solve for top margin
-            computedValues.m_margins.m_after = valueForLength(marginAfter, containerRelativeLogicalWidth, renderView);
+            computedValues.m_margins.m_after = valueForLength(marginAfter, containerRelativeLogicalWidth);
             computedValues.m_margins.m_before = availableSpace - computedValues.m_margins.m_after;
         } else if (marginAfter.isAuto()) {
             // Solve for bottom margin
-            computedValues.m_margins.m_before = valueForLength(marginBefore, containerRelativeLogicalWidth, renderView);
+            computedValues.m_margins.m_before = valueForLength(marginBefore, containerRelativeLogicalWidth);
             computedValues.m_margins.m_after = availableSpace - computedValues.m_margins.m_before;
         } else {
             // Over-constrained, (no need solve for bottom)
-            computedValues.m_margins.m_before = valueForLength(marginBefore, containerRelativeLogicalWidth, renderView);
-            computedValues.m_margins.m_after = valueForLength(marginAfter, containerRelativeLogicalWidth, renderView);
+            computedValues.m_margins.m_before = valueForLength(marginBefore, containerRelativeLogicalWidth);
+            computedValues.m_margins.m_after = valueForLength(marginAfter, containerRelativeLogicalWidth);
         }
     } else {
         /*--------------------------------------------------------------------*\
          * Otherwise, set 'auto' values for 'margin-top' and 'margin-bottom'
          * to 0, and pick the one of the following six rules that applies.
          *
          * 1. 'top' and 'height' are 'auto' and 'bottom' is not 'auto', then
          *    the height is based on the content, and solve for 'top'.
          *
          *              OMIT RULE 2 AS IT SHOULD NEVER BE HIT
          * ------------------------------------------------------------------
          * 2. 'top' and 'bottom' are 'auto' and 'height' is not 'auto', then
          *    set 'top' to the static position, and solve for 'bottom'.
          * ------------------------------------------------------------------
          *
          * 3. 'height' and 'bottom' are 'auto' and 'top' is not 'auto', then
          *    the height is based on the content, and solve for 'bottom'.
          * 4. 'top' is 'auto', 'height' and 'bottom' are not 'auto', and
          *    solve for 'top'.
          * 5. 'height' is 'auto', 'top' and 'bottom' are not 'auto', and
          *    solve for 'height'.
          * 6. 'bottom' is 'auto', 'top' and 'height' are not 'auto', and
          *    solve for 'bottom'.
         \*--------------------------------------------------------------------*/
         // NOTE: For rules 3 and 6 it is not necessary to solve for 'bottom'
         // because the value is not used for any further calculations.
 
         // Calculate margins, 'auto' margins are ignored.
-        computedValues.m_margins.m_before = minimumValueForLength(marginBefore, containerRelativeLogicalWidth, renderView);
-        computedValues.m_margins.m_after = minimumValueForLength(marginAfter, containerRelativeLogicalWidth, renderView);
+        computedValues.m_margins.m_before = minimumValueForLength(marginBefore, containerRelativeLogicalWidth);
+        computedValues.m_margins.m_after = minimumValueForLength(marginAfter, containerRelativeLogicalWidth);
 
         const LayoutUnit availableSpace = containerLogicalHeight - (computedValues.m_margins.m_before + computedValues.m_margins.m_after + bordersPlusPadding);
 
         // Use rule/case that applies.
         if (logicalTopIsAuto && logicalHeightIsAuto && !logicalBottomIsAuto) {
             // RULE 1: (height is content based, solve of top)
             logicalHeightValue = contentLogicalHeight;
-            logicalTopValue = availableSpace - (logicalHeightValue + valueForLength(logicalBottom, containerLogicalHeight, renderView));
+            logicalTopValue = availableSpace - (logicalHeightValue + valueForLength(logicalBottom, containerLogicalHeight));
         } else if (!logicalTopIsAuto && logicalHeightIsAuto && logicalBottomIsAuto) {
             // RULE 3: (height is content based, no need solve of bottom)
-            logicalTopValue = valueForLength(logicalTop, containerLogicalHeight, renderView);
+            logicalTopValue = valueForLength(logicalTop, containerLogicalHeight);
             logicalHeightValue = contentLogicalHeight;
         } else if (logicalTopIsAuto && !logicalHeightIsAuto && !logicalBottomIsAuto) {
             // RULE 4: (solve of top)
             logicalHeightValue = resolvedLogicalHeight;
-            logicalTopValue = availableSpace - (logicalHeightValue + valueForLength(logicalBottom, containerLogicalHeight, renderView));
+            logicalTopValue = availableSpace - (logicalHeightValue + valueForLength(logicalBottom, containerLogicalHeight));
         } else if (!logicalTopIsAuto && logicalHeightIsAuto && !logicalBottomIsAuto) {
             // RULE 5: (solve of height)
-            logicalTopValue = valueForLength(logicalTop, containerLogicalHeight, renderView);
-            logicalHeightValue = max<LayoutUnit>(0, availableSpace - (logicalTopValue + valueForLength(logicalBottom, containerLogicalHeight, renderView)));
+            logicalTopValue = valueForLength(logicalTop, containerLogicalHeight);
+            logicalHeightValue = max<LayoutUnit>(0, availableSpace - (logicalTopValue + valueForLength(logicalBottom, containerLogicalHeight)));
         } else if (!logicalTopIsAuto && !logicalHeightIsAuto && logicalBottomIsAuto) {
             // RULE 6: (no need solve of bottom)
             logicalHeightValue = resolvedLogicalHeight;
-            logicalTopValue = valueForLength(logicalTop, containerLogicalHeight, renderView);
+            logicalTopValue = valueForLength(logicalTop, containerLogicalHeight);
         }
     }
     computedValues.m_extent = logicalHeightValue;
 
     // Use computed values to calculate the vertical position.
     computedValues.m_position = logicalTopValue + computedValues.m_margins.m_before;
     computeLogicalTopPositionedOffset(computedValues.m_position, this, logicalHeightValue, containerBlock, containerLogicalHeight);
 }
 
 void RenderBox::computePositionedLogicalWidthReplaced(LogicalExtentComputedValues& computedValues) const
@@ skipping 57 matching lines @@
     /*-----------------------------------------------------------------------*\
      * 4. If at this point both 'margin-left' and 'margin-right' are still
      *    'auto', solve the equation under the extra constraint that the two
      *    margins must get equal values, unless this would make them negative,
      *    in which case when the direction of the containing block is 'ltr'
      *    ('rtl'), set 'margin-left' ('margin-right') to zero and solve for
      *    'margin-right' ('margin-left').
     \*-----------------------------------------------------------------------*/
     LayoutUnit logicalLeftValue = 0;
     LayoutUnit logicalRightValue = 0;
-    RenderView* renderView = view();
 
     if (marginLogicalLeft.isAuto() && marginLogicalRight.isAuto()) {
         // 'left' and 'right' cannot be 'auto' due to step 3
         ASSERT(!(logicalLeft.isAuto() && logicalRight.isAuto()));
 
-        logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth, renderView);
-        logicalRightValue = valueForLength(logicalRight, containerLogicalWidth, renderView);
+        logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth);
+        logicalRightValue = valueForLength(logicalRight, containerLogicalWidth);
 
         LayoutUnit difference = availableSpace - (logicalLeftValue + logicalRightValue);
         if (difference > 0) {
             marginLogicalLeftAlias = difference / 2; // split the difference
             marginLogicalRightAlias = difference - marginLogicalLeftAlias; // account for odd valued differences
         } else {
             // Use the containing block's direction rather than the parent block's
             // per CSS 2.1 reference test abspos-replaced-width-margin-000.
             if (containerDirection == LTR) {
                 marginLogicalLeftAlias = 0;
                 marginLogicalRightAlias = difference; // will be negative
             } else {
                 marginLogicalLeftAlias = difference; // will be negative
                 marginLogicalRightAlias = 0;
             }
         }
 
     /*-----------------------------------------------------------------------*\
      * 5. If at this point there is an 'auto' left, solve the equation for
      *    that value.
     \*-----------------------------------------------------------------------*/
     } else if (logicalLeft.isAuto()) {
-        marginLogicalLeftAlias = valueForLength(marginLogicalLeft, containerRelativeLogicalWidth, renderView);
-        marginLogicalRightAlias = valueForLength(marginLogicalRight, containerRelativeLogicalWidth, renderView);
-        logicalRightValue = valueForLength(logicalRight, containerLogicalWidth, renderView);
+        marginLogicalLeftAlias = valueForLength(marginLogicalLeft, containerRelativeLogicalWidth);
+        marginLogicalRightAlias = valueForLength(marginLogicalRight, containerRelativeLogicalWidth);
+        logicalRightValue = valueForLength(logicalRight, containerLogicalWidth);
 
         // Solve for 'left'
         logicalLeftValue = availableSpace - (logicalRightValue + marginLogicalLeftAlias + marginLogicalRightAlias);
     } else if (logicalRight.isAuto()) {
-        marginLogicalLeftAlias = valueForLength(marginLogicalLeft, containerRelativeLogicalWidth, renderView);
-        marginLogicalRightAlias = valueForLength(marginLogicalRight, containerRelativeLogicalWidth, renderView);
-        logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth, renderView);
+        marginLogicalLeftAlias = valueForLength(marginLogicalLeft, containerRelativeLogicalWidth);
+        marginLogicalRightAlias = valueForLength(marginLogicalRight, containerRelativeLogicalWidth);
+        logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth);
 
         // Solve for 'right'
         logicalRightValue = availableSpace - (logicalLeftValue + marginLogicalLeftAlias + marginLogicalRightAlias);
     } else if (marginLogicalLeft.isAuto()) {
-        marginLogicalRightAlias = valueForLength(marginLogicalRight, containerRelativeLogicalWidth, renderView);
-        logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth, renderView);
-        logicalRightValue = valueForLength(logicalRight, containerLogicalWidth, renderView);
+        marginLogicalRightAlias = valueForLength(marginLogicalRight, containerRelativeLogicalWidth);
+        logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth);
+        logicalRightValue = valueForLength(logicalRight, containerLogicalWidth);
 
         // Solve for 'margin-left'
         marginLogicalLeftAlias = availableSpace - (logicalLeftValue + logicalRightValue + marginLogicalRightAlias);
     } else if (marginLogicalRight.isAuto()) {
-        marginLogicalLeftAlias = valueForLength(marginLogicalLeft, containerRelativeLogicalWidth, renderView);
-        logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth, renderView);
-        logicalRightValue = valueForLength(logicalRight, containerLogicalWidth, renderView);
+        marginLogicalLeftAlias = valueForLength(marginLogicalLeft, containerRelativeLogicalWidth);
+        logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth);
+        logicalRightValue = valueForLength(logicalRight, containerLogicalWidth);
 
         // Solve for 'margin-right'
         marginLogicalRightAlias = availableSpace - (logicalLeftValue + logicalRightValue + marginLogicalLeftAlias);
     } else {
         // Nothing is 'auto', just calculate the values.
-        marginLogicalLeftAlias = valueForLength(marginLogicalLeft, containerRelativeLogicalWidth, renderView);
-        marginLogicalRightAlias = valueForLength(marginLogicalRight, containerRelativeLogicalWidth, renderView);
-        logicalRightValue = valueForLength(logicalRight, containerLogicalWidth, renderView);
-        logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth, renderView);
+        marginLogicalLeftAlias = valueForLength(marginLogicalLeft, containerRelativeLogicalWidth);
+        marginLogicalRightAlias = valueForLength(marginLogicalRight, containerRelativeLogicalWidth);
+        logicalRightValue = valueForLength(logicalRight, containerLogicalWidth);
+        logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth);
         // If the containing block is right-to-left, then push the left position as far to the right as possible
         if (containerDirection == RTL) {
             int totalLogicalWidth = computedValues.m_extent + logicalLeftValue + logicalRightValue +  marginLogicalLeftAlias + marginLogicalRightAlias;
             logicalLeftValue = containerLogicalWidth - (totalLogicalWidth - logicalLeftValue);
         }
     }
 
     /*-----------------------------------------------------------------------*\
      * 6. If at this point the values are over-constrained, ignore the value
      *    for either 'left' (in case the 'direction' property of the
@@ skipping 41 matching lines @@
     const LayoutUnit containerRelativeLogicalWidth = containingBlockLogicalWidthForPositioned(containerBlock, 0, false);
 
     // Variables to solve.
     Length marginBefore = style()->marginBefore();
     Length marginAfter = style()->marginAfter();
     LayoutUnit& marginBeforeAlias = computedValues.m_margins.m_before;
     LayoutUnit& marginAfterAlias = computedValues.m_margins.m_after;
 
     Length logicalTop = style()->logicalTop();
     Length logicalBottom = style()->logicalBottom();
-    RenderView* renderView = view();
 
     /*-----------------------------------------------------------------------*\
      * 1. The used value of 'height' is determined as for inline replaced
      *    elements.
     \*-----------------------------------------------------------------------*/
     // NOTE: This value of height is FINAL in that the min/max height calculations
     // are dealt with in computeReplacedHeight().  This means that the steps to produce
     // correct max/min in the non-replaced version, are not necessary.
     computedValues.m_extent = computeReplacedLogicalHeight() + borderAndPaddingLogicalHeight();
     const LayoutUnit availableSpace = containerLogicalHeight - computedValues.m_extent;
@@ skipping 23 matching lines @@
      *    'auto', solve the equation under the extra constraint that the two
      *    margins must get equal values.
     \*-----------------------------------------------------------------------*/
     LayoutUnit logicalTopValue = 0;
     LayoutUnit logicalBottomValue = 0;
 
     if (marginBefore.isAuto() && marginAfter.isAuto()) {
         // 'top' and 'bottom' cannot be 'auto' due to step 2 and 3 combined.
         ASSERT(!(logicalTop.isAuto() || logicalBottom.isAuto()));
 
-        logicalTopValue = valueForLength(logicalTop, containerLogicalHeight, renderView);
-        logicalBottomValue = valueForLength(logicalBottom, containerLogicalHeight, renderView);
+        logicalTopValue = valueForLength(logicalTop, containerLogicalHeight);
+        logicalBottomValue = valueForLength(logicalBottom, containerLogicalHeight);
 
         LayoutUnit difference = availableSpace - (logicalTopValue + logicalBottomValue);
         // NOTE: This may result in negative values.
         marginBeforeAlias =  difference / 2; // split the difference
         marginAfterAlias = difference - marginBeforeAlias; // account for odd valued differences
 
     /*-----------------------------------------------------------------------*\
      * 5. If at this point there is only one 'auto' left, solve the equation
      *    for that value.
     \*-----------------------------------------------------------------------*/
     } else if (logicalTop.isAuto()) {
-        marginBeforeAlias = valueForLength(marginBefore, containerRelativeLogicalWidth, renderView);
-        marginAfterAlias = valueForLength(marginAfter, containerRelativeLogicalWidth, renderView);
-        logicalBottomValue = valueForLength(logicalBottom, containerLogicalHeight, renderView);
+        marginBeforeAlias = valueForLength(marginBefore, containerRelativeLogicalWidth);
+        marginAfterAlias = valueForLength(marginAfter, containerRelativeLogicalWidth);
+        logicalBottomValue = valueForLength(logicalBottom, containerLogicalHeight);
 
         // Solve for 'top'
         logicalTopValue = availableSpace - (logicalBottomValue + marginBeforeAlias + marginAfterAlias);
     } else if (logicalBottom.isAuto()) {
-        marginBeforeAlias = valueForLength(marginBefore, containerRelativeLogicalWidth, renderView);
-        marginAfterAlias = valueForLength(marginAfter, containerRelativeLogicalWidth, renderView);
-        logicalTopValue = valueForLength(logicalTop, containerLogicalHeight, renderView);
+        marginBeforeAlias = valueForLength(marginBefore, containerRelativeLogicalWidth);
+        marginAfterAlias = valueForLength(marginAfter, containerRelativeLogicalWidth);
+        logicalTopValue = valueForLength(logicalTop, containerLogicalHeight);
 
         // Solve for 'bottom'
         // NOTE: It is not necessary to solve for 'bottom' because we don't ever
         // use the value.
     } else if (marginBefore.isAuto()) {
-        marginAfterAlias = valueForLength(marginAfter, containerRelativeLogicalWidth, renderView);
-        logicalTopValue = valueForLength(logicalTop, containerLogicalHeight, renderView);
-        logicalBottomValue = valueForLength(logicalBottom, containerLogicalHeight, renderView);
+        marginAfterAlias = valueForLength(marginAfter, containerRelativeLogicalWidth);
+        logicalTopValue = valueForLength(logicalTop, containerLogicalHeight);
+        logicalBottomValue = valueForLength(logicalBottom, containerLogicalHeight);
 
         // Solve for 'margin-top'
         marginBeforeAlias = availableSpace - (logicalTopValue + logicalBottomValue + marginAfterAlias);
     } else if (marginAfter.isAuto()) {
-        marginBeforeAlias = valueForLength(marginBefore, containerRelativeLogicalWidth, renderView);
-        logicalTopValue = valueForLength(logicalTop, containerLogicalHeight, renderView);
-        logicalBottomValue = valueForLength(logicalBottom, containerLogicalHeight, renderView);
+        marginBeforeAlias = valueForLength(marginBefore, containerRelativeLogicalWidth);
+        logicalTopValue = valueForLength(logicalTop, containerLogicalHeight);
+        logicalBottomValue = valueForLength(logicalBottom, containerLogicalHeight);
 
         // Solve for 'margin-bottom'
         marginAfterAlias = availableSpace - (logicalTopValue + logicalBottomValue + marginBeforeAlias);
     } else {
         // Nothing is 'auto', just calculate the values.
-        marginBeforeAlias = valueForLength(marginBefore, containerRelativeLogicalWidth, renderView);
-        marginAfterAlias = valueForLength(marginAfter, containerRelativeLogicalWidth, renderView);
-        logicalTopValue = valueForLength(logicalTop, containerLogicalHeight, renderView);
+        marginBeforeAlias = valueForLength(marginBefore, containerRelativeLogicalWidth);
+        marginAfterAlias = valueForLength(marginAfter, containerRelativeLogicalWidth);
+        logicalTopValue = valueForLength(logicalTop, containerLogicalHeight);
         // NOTE: It is not necessary to solve for 'bottom' because we don't ever
         // use the value.
      }
 
     /*-----------------------------------------------------------------------*\
      * 6. If at this point the values are over-constrained, ignore the value
      *    for 'bottom' and solve for that value.
     \*-----------------------------------------------------------------------*/
     // NOTE: It is not necessary to do this step because we don't end up using
     // the value of 'bottom' regardless of whether the values are over-constrained
@@ skipping 632 matching lines @@
     // FIXME: This should probably include viewport percentage heights as well.
     return style()->height().isPercent() || style()->width().isPercent()
         || style()->maxHeight().isPercent() || style()->maxWidth().isPercent()
         || style()->minHeight().isPercent() || style()->minWidth().isPercent();
 }
 
 bool RenderBox::hasRelativeLogicalHeight() const
 {
     return style()->logicalHeight().isPercent()
         || style()->logicalMinHeight().isPercent()
-        || style()->logicalMaxHeight().isPercent()
-        || style()->logicalHeight().isViewportPercentage()
-        || style()->logicalMinHeight().isViewportPercentage()
-        || style()->logicalMaxHeight().isViewportPercentage();
+        || style()->logicalMaxHeight().isPercent();
 }
 
 static void markBoxForRelayoutAfterSplit(RenderBox* box)
 {
     // FIXME: The table code should handle that automatically. If not,
     // we should fix it and remove the table part checks.
     if (box->isTable()) {
         // Because we may have added some sections with already computed column structures, we need to
         // sync the table structure with them now. This avoids crashes when adding new cells to the table.
         toRenderTable(box)->forceSectionsRecalc();
@@ skipping 46 matching lines @@
         return 0;
 
     if (!layoutState && !flowThreadContainingBlock())
         return 0;
 
     RenderBlock* containerBlock = containingBlock();
     return containerBlock->offsetFromLogicalTopOfFirstPage() + logicalTop();
 }
 
 } // namespace WebCore